Basically, yes, they couldn't use them. The old 2FA had a really weird implementation...

Yes it is.

Project Page
Project Github

Could you post the output of ufw status verbose ?

You have the right to access the internet through WiFi like everyone else. So where's the problem?

Or look into FreeTube, it works really well on desktop

I can see a bot doing it, behaving like the Piped-Bot with an explanation why it's important to remove the tracking.

You can 'future proof' your mail by using your own domain and use it with your proton account.
So if you want or need to change your mail provider or self host in the future, you just need to redirect your domain to your new provider.

Nothing says "keeping all the malware out" more, than constantly having to remove malware ;-)
https://www.scmagazine.com/analysis/meta-uncovers-400-malicious-apps-on-android-and-ios-apps
https://cointelegraph.com/news/fake-trezor-crypto-app-removed
https://threatpost.com/click-fraud-malware-apple-app-store/149496/

You could also look into OpenWrt and maybe get your device an open firmware. For a more advanced setup you can look into OPNsense, but you will probably need additional devices for WLAN, DECT, etc.

It should be the same. But depending on the organization behind the platform, they might play dumb if you only request the deletion through the profile tools.

And despite that most customers will stay and Microsoft will learn they don't need to put more effort into security. They maybe even can get away with reducing security...

Depending on where you live, you should be aware of the fox tapeworm. It's really, really nasty for humans and can be fatal.